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Katherine Kornei, Science Writer

Katherine Kornei

Katherine Kornei is a freelance science journalist covering Earth and space science. Her bylines frequently appear in Eos, Science, and The New York Times. Katherine holds a Ph.D. in astronomy from the University of California, Los Angeles.

A Velociraptor with white, black, and red feathers runs with its mouth open.
Posted inNews

Volcanic Winters Ushered in the Jurassic Reign of the Dinosaurs

Katherine Kornei, Science Writer by Katherine Kornei 31 August 202222 March 2023

Sediment cores from northwestern China reveal freezing conditions during the Late Triassic killed off many forms of life—but not dinosaurs.

Two young people riding aboard a boat pick through mud with their hands in search of meteorites.
Posted inNews

Community Scientists Recover Micrometeorites from Lake Michigan

Katherine Kornei, Science Writer by Katherine Kornei 15 August 202224 March 2023

A team of scientists, educators, and teenagers discovered the objects, some of which may have been delivered by a fireball that streaked across the sky in 2017.

A thick, wide expanse of whitish-bluish ice encroaches on what appears to a field of grass.
Posted inNews

Precession Helped Drive Glacial Cycles in the Pleistocene

Katherine Kornei, Science Writer by Katherine Kornei 11 July 202221 July 2022

By studying bits of rock scooped up by ancient glaciers, researchers have pinned down that recent glacial variability was driven, in part, by changes in the direction of Earth’s axis of rotation.

A gold-colored spacecraft with large solar panels flies in front of Mars.
Posted inNews

Zhurong Rover Spots Evidence of Recent Liquid Water on Mars

Katherine Kornei, Science Writer by Katherine Kornei 14 June 20225 January 2023

The Chinese rover identified hydrated minerals—likely associated with groundwater—in sediments dating to the Red Planet’s most recent geologic period.

An image of the Sun showing an eruption of solar material from the Sun’s left side.
Posted inNews

Chinese-Led Solar Research Is Looking Bright

Katherine Kornei, Science Writer by Katherine Kornei 24 May 202210 March 2023

With new missions underway and planned, China is stepping up to observe our nearest stellar neighbor.

On the left: a view of Pluto, as imaged by the New Horizons spacecraft. On the right: a close-up of an undulating region believed to have been formed by volcanoes that erupted icy material.
Posted inNews

Pluto’s Surface Was Recently Sculpted by Icy Volcanism

Katherine Kornei, Science Writer by Katherine Kornei 2 May 202217 February 2023

Geologically young regions of Pluto’s southern hemisphere were likely resurfaced by cryovolcanism, data from the New Horizons spacecraft reveal.

A wall of ice looms over an expanse of rocks.
Posted inNews

Impact Structure Hidden Under Arctic Ice Dates to the Paleocene

Katherine Kornei, Science Writer by Katherine Kornei 13 April 202213 April 2022

Greenland’s Hiawatha impact structure, more than 30 kilometers in diameter, is much older than previously thought, new results suggest.

A volcanic eruption spews molten rock into the sky.
Posted inNews

Magma Lingers at Different Depths on the Basis of Its Water Content

Katherine Kornei, Science Writer by Katherine Kornei 4 April 202225 April 2022

The discovery, gleaned from observations of volcanoes on four continents, could help constrain models of volcanic eruptions.

A blue ring of auroral emission glows above Saturn’s north pole.
Posted inNews

Saturn’s Powerful Winds Explain Changes in the Length of Its Day

Katherine Kornei, Science Writer by Katherine Kornei 17 March 20228 August 2022

Atmospheric winds moving at more than 7,000 kilometers per hour distort Saturn’s magnetic field, revealing why spacecraft have measured changes in the length of a day on the ringed world.

An impact on the surface of Mars creates a shower of debris.
Posted inNews

Martian Meteorites Reveal Evidence of a Large Impact

Katherine Kornei, Science Writer by Katherine Kornei 15 March 202215 March 2022

By analyzing rare Martian meteorites, researchers have uncovered a crystalline structure created by a large asteroid or comet impact that potentially affected the Red Planet’s habitability.

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